近似方法

There is no good method to solve such problems. T method is proposed to solve problems, the method is a simple but quite efficient approximate method.

提出的t方法是一个简单同时又效率很高的近似方法，能够很好地解决这类问题。

The method of the grey model solution is an approximate one, though it is effective, and can be applied in solving similar pl...

文中介绍的求解灰色规划解的方法是一种近似方法，但十分有效，可以应用于求解类似的规划问题。

To reduce the distortion of this,the beginning of this article proposes an effective allocation model based on the performance optimization method;To achieve such a rapid and low complexity of the distribution,and it proposes a semiregular mesh geometry coding related to the reconstruction of the mean square error of approximation.

为了降低这种失真，开始部分提出了一种有效的基于位分配模型的性能优化方法；为了实现这种快速和低复杂度的分配方法，提出了和半规则网格几何编码相关的重建均方误差的近似方法。

Some numerical examples are given to show that the numerical method presented is an approximation method with high efficiency and convergence.

数值计算表明本文数值方法是一种高效和收敛的近似方法。

After give the example in Angrist and Krueger(1991), I analyze each estimation and approximation method .

然后仔细论述了1991年Angrist和Krueger研究教育程度影响收入水平的例子，对各种估计方法及近似方法进行了比较分析。

This value is prescribed only vaguely by many authors with no reference to any significance level. This paper will give out an asymptotic critical value in a fixed significance level and an asymptotic p-value for testing by means of extreme value theory in order to detect outliers in AR model.

本文运用极值理论给出诊断AR模型异常点选取临界值的分布近似方法，这种方法选取的临界值可保证控制在一定的显著性水平下，而且还可以计算出检验的渐近p值，比一般仿真选取的临界值更科学合理。

In engineering drawings,horizontal oblique axonometric projection of shade and shadow on spheric surfaces can be drawn only in special light ray directions and by approximate methods,causing great trouble.

工程图学中，用传统的作图方法求圆球及阴影的水平斜轴测投影，只能在特殊光线方向下，用近似方法绘制，且作图非常麻烦。

Based on Born approximationmethod and the local principles of wave function in inhomogeneous medium and theray theory and the integral equation theory,this dissertation researches the theory andsimulation of the inversion method of large perturbational medium parameters andbreaks through the approximation condition of the small perturbational parametersand the weak scattering in traditional inversion method.

本文在Born近似方法的基础之上，基于非均匀介质中波函数局部理论和射线理论及积分方程等理论方法，对大扰动参数反演方法的理论和数值模拟进行了研究，突破了传统反演方法要求的参数小扰动和弱散射条件。

Finally,a more accurate approximation to the curve length on lattices with multi-labels is proposed.

最后，还提出一种多标号格点上曲线长度的近似方法，该方法比现有的方法更加准确。

Mean value analysis is adopted and simulated annealing is used to optimize the inspection allocation in re-entrant lines.

以均值分析方法作为系统性能分析的近似方法，用模拟退火方法解决了可重人生产线中检测站设置的寻优问题。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。